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2-4 = \(\frac{1}{2^n}\) then n = ……………A) 3 B) -3 C) 4 D) – 4 |
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Answer» Correct option is (C) 4 \(2^{-4}=\frac{1}{2^n}=2^{-n}\) \(\Rightarrow\) -n = -4 \(\Rightarrow\) n = 4 Correct option is C) 4 |
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